IUBMB Enzyme Nomenclature


Accepted name: Watasenia-luciferin 2-monooxygenase

Reaction: Watasenia luciferin + O2 = oxidized Watasenia luciferin + CO2 +

Glossary: Watasenia-luciferin = 8-benzyl-6-(4-sulfooxyphenyl)-2-(4-sulfooxybenzyl)imidazo[1,2-a]pyrazin-3(7H)-one

For diagram click here.

Other name(s): Watasenia-type luciferase

Systematic name: Watasenia-luciferin:oxygen 2-oxidoreductase (decarboxylating)

Comments: The enzyme from the luminous squid Watasenia may be assayed by measurement of light emission.

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number:


1. Inoue, S., Kakoi, H. and Goto, T. Squid bioluminescence. III. Isolation and structure of Watasenia luciferin. Tetrahedron Lett. (1976) 2971-2974.

[EC created 1982]

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